208528987 is an odd 9-digits composite number following 208528986
and preceding 208528988 . In scientific notation, it is written as 2.08528987 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 196262560 positive integers (up to 208528987) that are relatively prime to 208528987.
208528987 has 4 divisors, whose sum is 220795416
The reverse of 208528987 is 789825802
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
two hundred eight million five hundred twenty-eight thousand nine hundred eighty-seven
Scientific notation
2.08528987 × 10^8
Engineering notation
2.08528987 × 10^6
Prime Factorization
17 × 12266411
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
208528987
Product of the distinct prime numbers
The prime factorization of 208528987 is 17 × 12266411.
Since it has a total of 2 prime factors.
2 , 3 , 95 , 52 , 215 , 320 , 563 , 6757 , 49798 , 93954 , 551344 , 987587 , 7420503 , 5356715 , 47369741 , 9906472 , 480850718 , 164707216 , 1904644867 , 2327415514
n×2
417057974
n×3
625586961
n×4
834115948
n×5
1042644935
n÷2
104264493.5
n÷3
69509662.333333
n÷3
52132246.75
n÷5
41705797.4
n2
43484338419246169
n3
9.0677450409306E+24
n4
1.8908876877595E+33
n5
3.9430489405927E+41
2 √n
14440.53278103
3 √n
593.00107114192
4 √n
120.16876791009
5 √n
46.114052184907
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-208528986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 208528987 can be divided by 4 positive divisors.
The sum of these divisors (counting 208528987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011011011110011001011011
3
Ternary
112112101100222211
4
Quaternary
30123132121123
5
Quinary
411340411422
6
Senary
32405255551
8
Octal
1433363133
10
Decimal
208528987
12
Duodecimal
59a045b7
16
Hexadecimal
c6de65b
20
Vigesimal
3536297
36
Base36
3g5hzv
md5
b82add8d289648de736846975c70a858
sha1
a15863bc93981afab77cb6c64ee01c13a950b014
sha256
5a51bfbd42615f793d6eb4c8e62d1a85527b93b817d4a52452dfd517ba04a5c5
sha512
6985ea3329759565e09c1da8fea94a3cd862ac6aef0cb89fbfb711ee74208a8755733ef07202aa50bf5aff1902c78bf7925404009c592dfd5aa4625de3c636a5
ripemd-160
ae93d5eab7cadfe2a3a9e04afb4209991a0863ed
Diameter
417057974
Circumference
1310226267.2394
Area
1.3661007812412E+17
Volume
3.798288160695E+25
Surface area
5.4644031249646E+17
Circumference
1310226267.2394
Perimeter
834115948
Area
43484338419246169
Diagonal
294904521.56332
Surface area
260906030515477014
Volume
9.0677450409306E+24
Space diagonal
361182800.33487
Perimeter
625586961
Area
1.8829270868913E+16
Altitude
180591400.16743
Surface area
1.8829270868913E+16
Volume
1.0686440014188E+24
Height
98301507.187774